Home / 320,184.11-480,276.17-120,549.29

Finding the Fourth Proportional to 320,184.11, 480,276.17 and 120,549.29

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Solution

The fourth proportional to 320,184.11, 480,276.17 and 120,549.29 is: 180,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,184.11 : 480,276.17 = 120,549.29 : x
  2. Step 2: Convert to fraction form
    320,184.11/480,276.17 = 120,549.29/x
  3. Step 3: Cross multiply
    320,184.11x = 480,276.17 × 120,549.29
  4. Step 4: Simplify right side
    320,184.11x = 57,896,948,745.35
  5. Step 5: Solve for x
    x = 57,896,948,745.35/320,184.11
  6. Step 6: Final answer
    x = 180,823.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.